Dr. Ehrenstorfer is located in Augsburg, Germany. With more than 40 years of experience in the production of reference materials, Dr. Ehrenstorfer is one of the many standard brands certified by ISO 17034 under LGC. Since 1975, Dr Ehrenstorfer has always been a leading supplier of reference materials worldwide, providing more than 10000 products covering pesticide residues, veterinary drug residues, nutrient elements, adulterants and pollutants, environment, cosmetics, textiles, etc.

Dr. Ehrenstorfer product advantages:

Approved by DAKKS in Germany and produced under ISO 17034/Guide 34 certification;

Abundant varieties to meet a variety of experimental needs;

Various forms, including fixed standard, single standard and mixed standard;

The quality inspection report is detailed, including traceability statement and uncertainty;

Applicable to GB, HJ, SN, NY and international standard methods;

The goods in stock are complete and arrive within one week;

Delicate packaging and convenient storage;